@article{SEDP_1997-1998____A8_0,
     author = {L\'opez, Antonio and Zuazua, Enrique},
     title = {Some new results related to the null controllability of the $1-d$ heat equation},
     journal = {S\'eminaire Goulaouic-Schwartz},
     note = {talk:8},
     pages = {1--22},
     year = {1997-1998},
     publisher = {Centre de math\'ematiques Laurent Schwartz, \'Ecole polytechnique},
     zbl = {1059.93058},
     mrnumber = {1660521},
     language = {en},
     url = {https://www.numdam.org/item/SEDP_1997-1998____A8_0/}
}